modiloader | 74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d

Analysis

max time kernel
152s
max time network
188s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/10/2022, 15:16

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General

Target

74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
Size

492KB
MD5

6184cfc33ac4f12302300dd4c96e2a78
SHA1

34e4690d6c1cc47dec88fd06407e5fdba1d8f14d
SHA256

74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d
SHA512

b62a100b6db1a391690daa21ec0357dd34e448669475e71d7edae4f2cf9449ba47070fdac467f9ec48bf90b595502bd1194e4e2c80c0e5caf43f492ebed5e1ea
SSDEEP

12288:fjuTkMa586N2rAs3e3D35UQpXyjWz8iu6pqXALLbr2U7QFxyzw:fsUNl6yD2KXYWzj3rZQFz

Score

10^/10

modiloader evasion persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	d3s3Jf2gX6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	siinud.exe

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013a23-68.dat	modiloader_stage2
behavioral1/files/0x0008000000013a23-66.dat	modiloader_stage2
behavioral1/files/0x0008000000013a23-65.dat	modiloader_stage2

Executes dropped EXE 7 IoCs

pid	Process
2036	d3s3Jf2gX6.exe
1980	ayhost.exe
1208	siinud.exe
1004	bahost.exe
336	csrss.exe
1484	djhost.exe
900	ekhost.exe

Deletes itself 1 IoCs

pid	Process
1268	cmd.exe

Loads dropped DLL 14 IoCs

pid	Process
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
2036	d3s3Jf2gX6.exe
2036	d3s3Jf2gX6.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
900	ekhost.exe
1068	DllHost.exe

Adds Run key to start application 2 TTPs 53 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /p"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /C"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /w"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /c"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /Y"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /U"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /J"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /D"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /L"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /Q"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /d"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /k"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /t"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /v"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /S"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /E"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /A"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /V"	siinud.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /q"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /n"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /j"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /r"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /N"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /T"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /I"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /M"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /y"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /F"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /P"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /m"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /O"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /s"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /X"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /W"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /f"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /R"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /Z"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /H"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /u"	siinud.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	d3s3Jf2gX6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /D"	d3s3Jf2gX6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /i"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /K"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /G"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /b"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /B"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /h"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /l"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /g"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /x"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /o"	siinud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\siinud = "C:\\Users\\Admin\\siinud.exe /e"	siinud.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_32\Desktop.ini	csrss.exe
File created	\systemroot\assembly\GAC_64\Desktop.ini	csrss.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1004 set thread context of 880	1004	bahost.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery

T1057

pid	Process
1168	tasklist.exe
1736	tasklist.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2036	d3s3Jf2gX6.exe
2036	d3s3Jf2gX6.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1208	siinud.exe
1004	bahost.exe
1004	bahost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	tasklist.exe
Token: SeDebugPrivilege	1004	bahost.exe
Token: SeDebugPrivilege	1004	bahost.exe
Token: SeShutdownPrivilege	1256	Explorer.EXE
Token: SeDebugPrivilege	1168	tasklist.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
2036	d3s3Jf2gX6.exe
1208	siinud.exe
1484	djhost.exe
900	ekhost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
336	csrss.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2036	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	27
PID 1016 wrote to memory of 2036	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	27
PID 1016 wrote to memory of 2036	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	27
PID 1016 wrote to memory of 2036	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	27
PID 1016 wrote to memory of 1980	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	28
PID 1016 wrote to memory of 1980	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	28
PID 1016 wrote to memory of 1980	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	28
PID 1016 wrote to memory of 1980	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	28
PID 2036 wrote to memory of 1208	2036	d3s3Jf2gX6.exe	29
PID 2036 wrote to memory of 1208	2036	d3s3Jf2gX6.exe	29
PID 2036 wrote to memory of 1208	2036	d3s3Jf2gX6.exe	29
PID 2036 wrote to memory of 1208	2036	d3s3Jf2gX6.exe	29
PID 2036 wrote to memory of 1464	2036	d3s3Jf2gX6.exe	30
PID 2036 wrote to memory of 1464	2036	d3s3Jf2gX6.exe	30
PID 2036 wrote to memory of 1464	2036	d3s3Jf2gX6.exe	30
PID 2036 wrote to memory of 1464	2036	d3s3Jf2gX6.exe	30
PID 1464 wrote to memory of 1736	1464	cmd.exe	32
PID 1464 wrote to memory of 1736	1464	cmd.exe	32
PID 1464 wrote to memory of 1736	1464	cmd.exe	32
PID 1464 wrote to memory of 1736	1464	cmd.exe	32
PID 1016 wrote to memory of 1004	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	34
PID 1016 wrote to memory of 1004	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	34
PID 1016 wrote to memory of 1004	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	34
PID 1016 wrote to memory of 1004	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	34
PID 1004 wrote to memory of 1256	1004	bahost.exe	15
PID 1004 wrote to memory of 336	1004	bahost.exe	6
PID 1004 wrote to memory of 880	1004	bahost.exe	35
PID 1004 wrote to memory of 880	1004	bahost.exe	35
PID 1004 wrote to memory of 880	1004	bahost.exe	35
PID 1004 wrote to memory of 880	1004	bahost.exe	35
PID 1004 wrote to memory of 880	1004	bahost.exe	35
PID 1016 wrote to memory of 1484	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	37
PID 1016 wrote to memory of 1484	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	37
PID 1016 wrote to memory of 1484	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	37
PID 1016 wrote to memory of 1484	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	37
PID 1016 wrote to memory of 900	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	38
PID 1016 wrote to memory of 900	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	38
PID 1016 wrote to memory of 900	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	38
PID 1016 wrote to memory of 900	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	38
PID 336 wrote to memory of 2032	336	csrss.exe	39
PID 1016 wrote to memory of 1268	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	40
PID 1016 wrote to memory of 1268	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	40
PID 1016 wrote to memory of 1268	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	40
PID 1016 wrote to memory of 1268	1016	74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe	40
PID 1268 wrote to memory of 1168	1268	cmd.exe	42
PID 1268 wrote to memory of 1168	1268	cmd.exe	42
PID 1268 wrote to memory of 1168	1268	cmd.exe	42
PID 1268 wrote to memory of 1168	1268	cmd.exe	42
PID 336 wrote to memory of 524	336	csrss.exe	43
PID 336 wrote to memory of 524	336	csrss.exe	43
PID 336 wrote to memory of 1068	336	csrss.exe	44

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:336

C:\Users\Admin\AppData\Local\Temp\74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
"C:\Users\Admin\AppData\Local\Temp\74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\d3s3Jf2gX6.exe
  C:\Users\Admin\d3s3Jf2gX6.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Users\Admin\siinud.exe
    "C:\Users\Admin\siinud.exe"
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:1208
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c tasklist&&del d3s3Jf2gX6.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:1736
- C:\Users\Admin\ayhost.exe
  C:\Users\Admin\ayhost.exe
  2⤵
  - Executes dropped EXE
  PID:1980
- C:\Users\Admin\bahost.exe
  C:\Users\Admin\bahost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:880
- C:\Users\Admin\djhost.exe
  C:\Users\Admin\djhost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1484
- C:\Users\Admin\ekhost.exe
  C:\Users\Admin\ekhost.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 74a3f8958c72ef1f45ed387e21bf08020e105c899022d2c13e5f60f17482244d.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1256

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2032

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:524

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
- Loads dropped DLL
PID:1068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\ayhost.exe

Filesize
80KB

MD5
8ccbe4f27f9710f3e7f75e1d1de57e49

SHA1
272e95e476477cd4a1715ee0bcf32318e0351718

SHA256
3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

SHA512
334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

Download Submit
C:\Users\Admin\bahost.exe

Filesize
260KB

MD5
57d06744cbe8d579531f5704827605c1

SHA1
222404c29087c7481127d5616e209e8a8946b110

SHA256
42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

SHA512
1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

Download Submit
C:\Users\Admin\bahost.exe

Filesize
260KB

MD5
57d06744cbe8d579531f5704827605c1

SHA1
222404c29087c7481127d5616e209e8a8946b110

SHA256
42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

SHA512
1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

Download Submit
C:\Users\Admin\d3s3Jf2gX6.exe

Filesize
280KB

MD5
b3c7427a9509d61a373b377e668c8ddd

SHA1
80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

SHA256
b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

SHA512
616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

Download Submit
C:\Users\Admin\d3s3Jf2gX6.exe

Filesize
280KB

MD5
b3c7427a9509d61a373b377e668c8ddd

SHA1
80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

SHA256
b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

SHA512
616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

Download Submit
C:\Users\Admin\djhost.exe

Filesize
32KB

MD5
af152804736fe7af65e4b49633a2d185

SHA1
3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

SHA256
45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

SHA512
749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

Download Submit
C:\Users\Admin\ekhost.exe

Filesize
24KB

MD5
046275674448c41615014cf770ee4f53

SHA1
4f51eb674e199d6b901aaffb55c4aeafb94acfb3

SHA256
3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

SHA512
db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

Download Submit
C:\Users\Admin\siinud.exe

Filesize
280KB

MD5
f36b82b075f99d64f6275ebb85dde805

SHA1
1e3798d1531f44dfeda486229a1c316f5128ae29

SHA256
5d27bfea82fc4d03fd061ec426ee6a05017187fc3ebb9acdf1f06348e0de529b

SHA512
874edd3919652a4f2463542db69e5408101988e6c4ae25b01bfdaa9fdfacd0dc276406449361e375782f174af763babd4f9a493908391043389b72a08be5431a

Download Submit
C:\Users\Admin\siinud.exe

Filesize
280KB

MD5
f36b82b075f99d64f6275ebb85dde805

SHA1
1e3798d1531f44dfeda486229a1c316f5128ae29

SHA256
5d27bfea82fc4d03fd061ec426ee6a05017187fc3ebb9acdf1f06348e0de529b

SHA512
874edd3919652a4f2463542db69e5408101988e6c4ae25b01bfdaa9fdfacd0dc276406449361e375782f174af763babd4f9a493908391043389b72a08be5431a

Download Submit
C:\Windows\system32\consrv.dll

Filesize
53KB

MD5
4d7cde615a0f534bd5e359951829554b

SHA1
c885d00d9000f2a5dbc78f6193a052b36f4fe968

SHA256
414fdf9bdcae5136c1295d6d24740c50a484acd81f1f7d0fb5d5c138607cb80a

SHA512
33d632f9fbb694440a1ca568c90518784278efd1dc9ee2b57028149d56ebe1f7346d5b59dcfafee2eeaa10091dda05f48958e909d6bfc891e037ae1cfbd048d4

Download Submit
\Users\Admin\ayhost.exe

Filesize
80KB

MD5
8ccbe4f27f9710f3e7f75e1d1de57e49

SHA1
272e95e476477cd4a1715ee0bcf32318e0351718

SHA256
3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

SHA512
334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

Download Submit
\Users\Admin\ayhost.exe

Filesize
80KB

MD5
8ccbe4f27f9710f3e7f75e1d1de57e49

SHA1
272e95e476477cd4a1715ee0bcf32318e0351718

SHA256
3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

SHA512
334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

Download Submit
\Users\Admin\bahost.exe

Filesize
260KB

MD5
57d06744cbe8d579531f5704827605c1

SHA1
222404c29087c7481127d5616e209e8a8946b110

SHA256
42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

SHA512
1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

Download Submit
\Users\Admin\bahost.exe

Filesize
260KB

MD5
57d06744cbe8d579531f5704827605c1

SHA1
222404c29087c7481127d5616e209e8a8946b110

SHA256
42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

SHA512
1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

Download Submit
\Users\Admin\d3s3Jf2gX6.exe

Filesize
280KB

MD5
b3c7427a9509d61a373b377e668c8ddd

SHA1
80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

SHA256
b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

SHA512
616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

Download Submit
\Users\Admin\d3s3Jf2gX6.exe

Filesize
280KB

MD5
b3c7427a9509d61a373b377e668c8ddd

SHA1
80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

SHA256
b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

SHA512
616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

Download Submit
\Users\Admin\djhost.exe

Filesize
32KB

MD5
af152804736fe7af65e4b49633a2d185

SHA1
3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

SHA256
45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

SHA512
749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

Download Submit
\Users\Admin\djhost.exe

Filesize
32KB

MD5
af152804736fe7af65e4b49633a2d185

SHA1
3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

SHA256
45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

SHA512
749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

Download Submit
\Users\Admin\ekhost.exe

Filesize
24KB

MD5
046275674448c41615014cf770ee4f53

SHA1
4f51eb674e199d6b901aaffb55c4aeafb94acfb3

SHA256
3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

SHA512
db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

Download Submit
\Users\Admin\ekhost.exe

Filesize
24KB

MD5
046275674448c41615014cf770ee4f53

SHA1
4f51eb674e199d6b901aaffb55c4aeafb94acfb3

SHA256
3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

SHA512
db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

Download Submit
\Users\Admin\siinud.exe

Filesize
280KB

MD5
f36b82b075f99d64f6275ebb85dde805

SHA1
1e3798d1531f44dfeda486229a1c316f5128ae29

SHA256
5d27bfea82fc4d03fd061ec426ee6a05017187fc3ebb9acdf1f06348e0de529b

SHA512
874edd3919652a4f2463542db69e5408101988e6c4ae25b01bfdaa9fdfacd0dc276406449361e375782f174af763babd4f9a493908391043389b72a08be5431a

Download Submit
\Users\Admin\siinud.exe

Filesize
280KB

MD5
f36b82b075f99d64f6275ebb85dde805

SHA1
1e3798d1531f44dfeda486229a1c316f5128ae29

SHA256
5d27bfea82fc4d03fd061ec426ee6a05017187fc3ebb9acdf1f06348e0de529b

SHA512
874edd3919652a4f2463542db69e5408101988e6c4ae25b01bfdaa9fdfacd0dc276406449361e375782f174af763babd4f9a493908391043389b72a08be5431a

Download Submit
\Windows\System32\consrv.dll

Filesize
53KB

MD5
4d7cde615a0f534bd5e359951829554b

SHA1
c885d00d9000f2a5dbc78f6193a052b36f4fe968

SHA256
414fdf9bdcae5136c1295d6d24740c50a484acd81f1f7d0fb5d5c138607cb80a

SHA512
33d632f9fbb694440a1ca568c90518784278efd1dc9ee2b57028149d56ebe1f7346d5b59dcfafee2eeaa10091dda05f48958e909d6bfc891e037ae1cfbd048d4

Download Submit
\Windows\assembly\GAC_32\Desktop.ini

Filesize
4KB

MD5
878f9b6da85cb98fcbdf6abd1730a32f

SHA1
343007e658ea541f4680b4edf4513e69e1cc18a6

SHA256
75b5a460ed6f47fca8ec1bcd8a11b22f24fb33de4d5f307b851ad20c7f831b7d

SHA512
5425844e34ad5e717b08830020526f5c9465f654f3e9e29967b2983d5cb8dc225be2b89cd29a8e4cc99fcfc99e05556f66eefa0539283ab4569e603413a37293

Download Submit
\Windows\assembly\GAC_64\Desktop.ini

Filesize
5KB

MD5
9d7ec1e355ac35cbe6991721ef5ae3b8

SHA1
c35a00bd35c6e4a7516b93947be08ead966347e8

SHA256
68a3cec42215323100398a8eb2cbb37da7d58fe0fa9c6312e954e0f50a95ca98

SHA512
b7c4be28d8e179974672205a50e72fa1ec9e2e8170b3b8ee763e1751a3397c35afec7a72c88f0a79a8566749b2af1ff054660a96c3a6d6508c545d316a035dc0

Download Submit
memory/336-121-0x0000000000860000-0x0000000000872000-memory.dmp

Filesize
72KB

Download
memory/1004-100-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Filesize
256KB

Download
memory/1004-88-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1004-84-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download
memory/1004-86-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1004-87-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download
memory/1004-103-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-104-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-117-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-116-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Filesize
256KB

Download
memory/1004-115-0x00000000003B1000-0x00000000003BD000-memory.dmp

Filesize
48KB

Download
memory/1004-114-0x00000000003C0000-0x00000000003C4000-memory.dmp

Filesize
16KB

Download
memory/1004-118-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1004-98-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-97-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-93-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-89-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-99-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1004-124-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1004-125-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Filesize
256KB

Download
memory/1004-126-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1016-56-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

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memory/1256-105-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

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memory/1256-109-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

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memory/1256-113-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

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